Exxon may try to upend its rival’s megadeal. The prize is a 30 percent stake in the oil-rich fields off the coast of Guyana.Exxon may try to upend its rival’s megadeal. The prize is a 30 percent stake in the oil-rich fields off the coast of Guyana. Oil (Petroleum) and Gasoline, Guyana, Exxon Mobil Corp, Chevron Corporation, Hess Corporation, Mergers, Acquisitions and Divestitures, Developing Countries, Natural Gas, Territorial Disputes, CNOOC Ltd, Venezuela, Stabroek block Read More